Responder
Base class of Window and View for event processing.
| Header | #include "nativeui/responder.h" |
| Namespace | namespace nu |
| Type | class (RefCounted) |
Methods
const char* GetClassName() const
Return the receiving responder's class name.
A class name is a string which uniquely identifies the class. It is intended to be used as a way to find out during run time if a responder can be safely casted to a specific subclass.
Return
const char*void SetCapture()
Set mouse capture to the responder.
void ReleaseCapture()
Release mouse capture if the responder has mouse capture.
bool HasCapture() const
Return whether the responder has mouse capture.
Return
boolNativeResponder GetNative() const
Return the native type wrapped by the responder.
Return
NativeResponderEvents
bool on_mouse_down(Responder* self, const MouseEvent& event)
Emitted when pressing mouse buttons.
Parameters
Responder*selfconst MouseEvent&event
Preventable
Yes.bool on_mouse_up(Responder* self, const MouseEvent& event)
Emitted when releasing mouse buttons.
Parameters
Responder*selfconst MouseEvent&event
Preventable
Yes.void on_mouse_move(Responder* self, const MouseEvent& event)
Emitted when user moves mouse in the responder.
Parameters
Responder*selfconst MouseEvent&event
Preventable
No.void on_mouse_enter(Responder* self, const MouseEvent& event)
Emitted when mouse enters the responder.
Parameters
Responder*selfconst MouseEvent&event
Preventable
No.void on_mouse_leave(Responder* self, const MouseEvent& event)
Emitted when mouse leaves the responder.
Parameters
Responder*selfconst MouseEvent&event
Preventable
No.bool on_key_down(Responder* self, const KeyEvent& event)
Emitted when pressing keyboard.
Parameters
Responder*selfconst KeyEvent&event
Preventable
Yes.bool on_key_up(Responder* self, const KeyEvent& event)
Emitted when releasing keyboard.
Parameters
Responder*selfconst KeyEvent&event
Preventable
Yes.void on_capture_lost(Responder* self)
Emitted when the mouse capture on responder has been released.
Parameters
Responder*self